Boxing fans hoping to attend the weigh-in for the welterweight showdown between Floyd Mayweather and Manny Pacquiao on May 2 must buy advance tickets.
The vast numbers expected to attend the eve-of-fight ritual at the MGM Grand Garden Arena has prompted fight organisers to take the step of charging for entry to the event.
Tickets will cost £6.60 and will go on sale through MGM Resorts call centre and box office on Friday at 8pm with all funds raised going to the charities chosen by Mayweather and Pacquiao - Susan G. Komen and the Cleveland Clinic Lou Ruvo Center for Brain Health.
"The weigh-in is always the grand finale of fight week activities," said Mayweather Promotions chief executive Leonard Ellerbe.
"And with the massive interest in this fight, the number of fans looking to attend the official weigh-in is going to be something we've never seen before.
"We're excited to be able to use the enthusiasm around this event to provide donations to two very deserving charities."
A mere 500 tickets were made available to the public for the clash between the two best fighters of their generation.
These sold out in minutes with resale prices on secondary seller StubHub ranging from £3,900 to £85,000 on Friday morning.
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Kenny Bayless has been appointed referee for the superfight between Floyd Mayweather and Manny Pacquiao in Las Vegas on May 2.
Bayless, a veteran of more than 100 title contests, has overseen five of Mayweather's bouts and has been present seven times with Pacquiao.
The 64-year-old Nevada resident was referee for their points victories over Shane Mosley, one of the rivals' five common foes.
The Nevada State Athletic Commission have also appointed a trio of American judges for the clash at the MGM Grand in Dave Moretti and Burt Clements of Nevada and Glenn Feldman of Connecticut.
"Kenny knows the pressure, stress and responsibility," NSAM director Robert Bennett said.
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Former two-weight world champion Ricky Hatton believes British compatriot Amir Khan could be the man to dethrone Floyd Mayweather as boxing's pound-for-pound king.
Khan has been seeking a showdown with Mayweather for nearly two years, but the American WBC and WBA welterweight champion has spurned the Bolton fighter's advances at every turn.
That does not come as a surprise to Hatton, who believes Khan's blurring punches and rapid movement could be the key to handing Mayweather his first professional defeat.
I think Floyd would run a mile from Amir Khan, not because of a fear factor, but because styles make fights," Hatton said in several national newspapers.
Amir is boxing with a lot more discipline lately, he's in and out and he's not getting involved. I think that type of style will cause Floyd massive problems.
But, when you're the best, pound-for-pound, like Floyd Mayweather - and Amir's as big a name as is out there, he's beaten pretty much everyone - he might be forced to fight Amir Khan.
He might be running out of opponents. I say this all the time, and everybody laughs at me: I think he's got a good chance of beating him.
Carl Froch thinks that he would have beaten Joe Calzaghe had the fight he wanted with the Welshman happened.
In a revealing documentary to be screened on ITV4, Froch says that he thinks Calzaghe wouldn't agree to the fight as he knew he would have lost.
The two never went head-to-head despite Froch repeatedly calling for the fight.
"That was a fight I wanted," Froch told ITV Sport. "He was WBC champion, everyone knew who he was. It was a massive fight back then - I think it would still be a big fight now. I think Joe Calzaghe knew that I was going to beat him."
Froch's coach, Rob McCracken, added: "He (Calzaghe) didn't see it as a big enough fight at the time, obviously Carl and we saw it differently."
Barry McGuigan says it was a shame the fight never took place: "Calzaghe might have been too clever for him, but it would have been a hell of a fight, and it's a pity that didn't happen."
Watch a sneak preview of the show in the video player above.
- Watch Carl Froch: Sports Life Stories at 10pm on ITV4, Tuesday 14th April
Carl Froch says the punch that beat George Groves is the most satisfying of his career.
The pair met at Wembley Stadium in May 2014 and despite being knocked down by Groves in the first round, a single powerful blow from Froch stopped the fight in the ninth, meaning he retained his IBF and WBA world titles.
“The genuine needle in that fight, the genuine rivalry, made for what was the biggest fight in British boxing history. It takes two to tango, I needed a dance partner and George Groves was just that," Froch told ITV Sport.
Relishing the victory, Froch's relationship with Groves is infamous in the boxing world: “I wouldn’t choose to try and be his friend, but there’s no hate in it. I exorcised my demons when that right hand landed on the jaw... It was the most satisfying punch I’ve ever landed.”
Carl Froch: Sports Life stories will be on ITV4 at 10pm on Tuesday April 14, get a taster of the programme in the video above.
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